/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseBehaviors/SingleKeyCaptureBehavior.h
Initialize this behavior with the given Target. Note that though it interacts through theIModifierToggleBehaviorTargetinterface, the modifier here captures keyboard input, unlike the modifiers in UKeyAsMOdifierInputBehavior and other places.
virtual void Initialize ( [IModifierToggleBehaviorTarget](API\Runtime\InteractiveToolsFramework\BaseBehaviors\IModifierToggleBehaviorTarget) * Target, int ModifierID, const [FKey](API\Runtime\InputCore\FKey) & ModifierKey )